<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>mainwindow.cpp Example File | Qt NFC 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtnfc-index.html">Qt NFC</a></td><td ><a href="qtnfc-ndefeditor-example.html">NDEF Editor Example</a></td><td >mainwindow.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtnfc-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">mainwindow.cpp Example File</h1> <span class="subtitle">ndefeditor/mainwindow.cpp</span> <!-- $$$ndefeditor/mainwindow.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtNfc module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "mainwindow.h"</span> <span class="preprocessor">#include "ui_mainwindow.h"</span> <span class="preprocessor">#include "textrecordeditor.h"</span> <span class="preprocessor">#include "urirecordeditor.h"</span> <span class="preprocessor">#include "mimeimagerecordeditor.h"</span> <span class="preprocessor">#include <QtNfc/qndefnfcurirecord.h></span> <span class="preprocessor">#include <QtNfc/qndefnfctextrecord.h></span> <span class="preprocessor">#include <QtNfc/qndefrecord.h></span> <span class="preprocessor">#include <QtNfc/qndefmessage.h></span> <span class="preprocessor">#include <QtNfc/qnearfieldmanager.h></span> <span class="preprocessor">#include <QtNfc/qnearfieldtarget.h></span> <span class="preprocessor">#include <QtWidgets/QMenu></span> <span class="preprocessor">#include <QtWidgets/QVBoxLayout></span> <span class="preprocessor">#include <QtWidgets/QFrame></span> <span class="preprocessor">#include <QtWidgets/QLabel></span> <span class="preprocessor">#include <QtWidgets/QFileDialog></span> <span class="keyword">class</span> EmptyRecordLabel : <span class="keyword">public</span> <span class="type">QLabel</span> { Q_OBJECT <span class="keyword">public</span>: EmptyRecordLabel() : <span class="type">QLabel</span>(tr(<span class="string">"Empty Record"</span>)) { } <span class="operator">~</span>EmptyRecordLabel() { } <span class="type">void</span> setRecord(<span class="keyword">const</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> <span class="operator">&</span>record) { Q_UNUSED(record); } <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> record() <span class="keyword">const</span> { <span class="keyword">return</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span>(); } }; <span class="keyword">class</span> UnknownRecordLabel : <span class="keyword">public</span> <span class="type">QLabel</span> { Q_OBJECT <span class="keyword">public</span>: UnknownRecordLabel() : <span class="type">QLabel</span>(tr(<span class="string">"Unknown Record Type"</span>)) { } <span class="operator">~</span>UnknownRecordLabel() { } <span class="type">void</span> setRecord(<span class="keyword">const</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> <span class="operator">&</span>record) { m_record <span class="operator">=</span> record; } <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> record() <span class="keyword">const</span> { <span class="keyword">return</span> m_record; } <span class="keyword">private</span>: <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> m_record; }; <span class="keyword">template</span> <span class="operator"><</span><span class="keyword">typename</span> T<span class="operator">></span> <span class="type">void</span> addRecord(Ui<span class="operator">::</span>MainWindow <span class="operator">*</span>ui<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> <span class="operator">&</span>record <span class="operator">=</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span>()) { <span class="type">QVBoxLayout</span> <span class="operator">*</span>vbox <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type">QVBoxLayout</span> <span class="operator">*</span><span class="operator">></span>(ui<span class="operator">-</span><span class="operator">></span>scrollAreaWidgetContents<span class="operator">-</span><span class="operator">></span>layout()); <span class="keyword">if</span> (<span class="operator">!</span>vbox) <span class="keyword">return</span>; <span class="keyword">if</span> (<span class="operator">!</span>vbox<span class="operator">-</span><span class="operator">></span>isEmpty()) { <span class="type">QFrame</span> <span class="operator">*</span>hline <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QFrame</span>; hline<span class="operator">-</span><span class="operator">></span>setFrameShape(<span class="type">QFrame</span><span class="operator">::</span>HLine); hline<span class="operator">-</span><span class="operator">></span>setObjectName(<span class="type">QStringLiteral</span>(<span class="string">"line-spacer"</span>)); vbox<span class="operator">-</span><span class="operator">></span>addWidget(hline); } T <span class="operator">*</span>recordEditor <span class="operator">=</span> <span class="keyword">new</span> T; recordEditor<span class="operator">-</span><span class="operator">></span>setObjectName(<span class="type">QStringLiteral</span>(<span class="string">"record-editor"</span>)); <span class="keyword">if</span> (<span class="operator">!</span>record<span class="operator">.</span>isEmpty()) recordEditor<span class="operator">-</span><span class="operator">></span>setRecord(record); vbox<span class="operator">-</span><span class="operator">></span>addWidget(recordEditor); } MainWindow<span class="operator">::</span>MainWindow(<span class="type">QWidget</span> <span class="operator">*</span>parent) : <span class="type">QMainWindow</span>(parent)<span class="operator">,</span> ui(<span class="keyword">new</span> Ui<span class="operator">::</span>MainWindow)<span class="operator">,</span> m_touchAction(NoAction) { ui<span class="operator">-</span><span class="operator">></span>setupUi(<span class="keyword">this</span>); <span class="type">QMenu</span> <span class="operator">*</span>addRecordMenu <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QMenu</span>(<span class="keyword">this</span>); addRecordMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"NFC Text Record"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(addNfcTextRecord())); addRecordMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"NFC URI Record"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(addNfcUriRecord())); addRecordMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"MIME Image Record"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(addMimeImageRecord())); addRecordMenu<span class="operator">-</span><span class="operator">></span>addAction(tr(<span class="string">"Empty Record"</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(addEmptyRecord())); ui<span class="operator">-</span><span class="operator">></span>addRecord<span class="operator">-</span><span class="operator">></span>setMenu(addRecordMenu); <span class="type">QVBoxLayout</span> <span class="operator">*</span>vbox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QVBoxLayout</span>; ui<span class="operator">-</span><span class="operator">></span>scrollAreaWidgetContents<span class="operator">-</span><span class="operator">></span>setLayout(vbox); m_manager <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span>(<span class="keyword">this</span>); connect(m_manager<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>targetDetected<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>targetDetected); connect(m_manager<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>targetLost<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>targetLost); } MainWindow<span class="operator">::</span><span class="operator">~</span>MainWindow() { <span class="keyword">delete</span> ui; } <span class="type">void</span> MainWindow<span class="operator">::</span>addNfcTextRecord() { addRecord<span class="operator"><</span>TextRecordEditor<span class="operator">></span>(ui); } <span class="type">void</span> MainWindow<span class="operator">::</span>addNfcUriRecord() { addRecord<span class="operator"><</span>UriRecordEditor<span class="operator">></span>(ui); } <span class="type">void</span> MainWindow<span class="operator">::</span>addMimeImageRecord() { addRecord<span class="operator"><</span>MimeImageRecordEditor<span class="operator">></span>(ui); } <span class="type">void</span> MainWindow<span class="operator">::</span>addEmptyRecord() { addRecord<span class="operator"><</span>EmptyRecordLabel<span class="operator">></span>(ui); } <span class="type">void</span> MainWindow<span class="operator">::</span>loadMessage() { <span class="type">QString</span> filename <span class="operator">=</span> <span class="type">QFileDialog</span><span class="operator">::</span>getOpenFileName(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Select NDEF Message"</span>)); <span class="keyword">if</span> (filename<span class="operator">.</span>isEmpty()) <span class="keyword">return</span>; <span class="type">QFile</span> file(filename); <span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly)) <span class="keyword">return</span>; <span class="type">QByteArray</span> ndef <span class="operator">=</span> file<span class="operator">.</span>readAll(); ndefMessageRead(<span class="type"><a href="qndefmessage.html">QNdefMessage</a></span><span class="operator">::</span>fromByteArray(ndef)); file<span class="operator">.</span>close(); } <span class="type">void</span> MainWindow<span class="operator">::</span>saveMessage() { <span class="type">QString</span> filename <span class="operator">=</span> <span class="type">QFileDialog</span><span class="operator">::</span>getSaveFileName(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"Select NDEF Message"</span>)); <span class="keyword">if</span> (filename<span class="operator">.</span>isEmpty()) <span class="keyword">return</span>; <span class="type">QFile</span> file(filename); <span class="keyword">if</span> (<span class="operator">!</span>file<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>WriteOnly)) <span class="keyword">return</span>; file<span class="operator">.</span>write(ndefMessage()<span class="operator">.</span>toByteArray()); file<span class="operator">.</span>close(); } <span class="type">void</span> MainWindow<span class="operator">::</span>touchReceive() { ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="type">QStringLiteral</span>(<span class="string">"background: blue"</span>)); m_touchAction <span class="operator">=</span> ReadNdef; m_manager<span class="operator">-</span><span class="operator">></span>setTargetAccessModes(<span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>NdefReadTargetAccess); m_manager<span class="operator">-</span><span class="operator">></span>startTargetDetection(); } <span class="type">void</span> MainWindow<span class="operator">::</span>touchStore() { ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="type">QStringLiteral</span>(<span class="string">"background: yellow"</span>)); m_touchAction <span class="operator">=</span> WriteNdef; m_manager<span class="operator">-</span><span class="operator">></span>setTargetAccessModes(<span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>NdefWriteTargetAccess); m_manager<span class="operator">-</span><span class="operator">></span>startTargetDetection(); } <span class="type">void</span> MainWindow<span class="operator">::</span>targetDetected(<span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span> <span class="operator">*</span>target) { <span class="keyword">switch</span> (m_touchAction) { <span class="keyword">case</span> NoAction: <span class="keyword">break</span>; <span class="keyword">case</span> ReadNdef: connect(target<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>ndefMessageRead<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>ndefMessageRead); connect(target<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>error<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>targetError); m_request <span class="operator">=</span> target<span class="operator">-</span><span class="operator">></span>readNdefMessages(); <span class="keyword">if</span> (<span class="operator">!</span>m_request<span class="operator">.</span>isValid()) <span class="comment">// cannot read messages</span> targetError(<span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NdefReadError<span class="operator">,</span> m_request); <span class="keyword">break</span>; <span class="keyword">case</span> WriteNdef: connect(target<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>ndefMessagesWritten<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>ndefMessageWritten); connect(target<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>error<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>MainWindow<span class="operator">::</span>targetError); m_request <span class="operator">=</span> target<span class="operator">-</span><span class="operator">></span>writeNdefMessages(<span class="type">QList</span><span class="operator"><</span><span class="type"><a href="qndefmessage.html">QNdefMessage</a></span><span class="operator">></span>() <span class="operator"><</span><span class="operator"><</span> ndefMessage()); <span class="keyword">if</span> (<span class="operator">!</span>m_request<span class="operator">.</span>isValid()) <span class="comment">// cannot write messages</span> targetError(<span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NdefWriteError<span class="operator">,</span> m_request); <span class="keyword">break</span>; } } <span class="type">void</span> MainWindow<span class="operator">::</span>targetLost(<span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span> <span class="operator">*</span>target) { target<span class="operator">-</span><span class="operator">></span>deleteLater(); } <span class="type">void</span> MainWindow<span class="operator">::</span>ndefMessageRead(<span class="keyword">const</span> <span class="type"><a href="qndefmessage.html">QNdefMessage</a></span> <span class="operator">&</span>message) { clearMessage(); <span class="keyword">for</span> (<span class="keyword">const</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span> <span class="operator">&</span>record : message) { <span class="keyword">if</span> (record<span class="operator">.</span>isRecordType<span class="operator"><</span><span class="type"><a href="qndefnfctextrecord.html">QNdefNfcTextRecord</a></span><span class="operator">></span>()) { addRecord<span class="operator"><</span>TextRecordEditor<span class="operator">></span>(ui<span class="operator">,</span> record); } <span class="keyword">else</span> <span class="keyword">if</span> (record<span class="operator">.</span>isRecordType<span class="operator"><</span><span class="type"><a href="qndefnfcurirecord.html">QNdefNfcUriRecord</a></span><span class="operator">></span>()) { addRecord<span class="operator"><</span>UriRecordEditor<span class="operator">></span>(ui<span class="operator">,</span> record); } <span class="keyword">else</span> <span class="keyword">if</span> (record<span class="operator">.</span>typeNameFormat() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qndefrecord.html">QNdefRecord</a></span><span class="operator">::</span>Mime <span class="operator">&</span><span class="operator">&</span> record<span class="operator">.</span>type()<span class="operator">.</span>startsWith(<span class="string">"image/"</span>)) { addRecord<span class="operator"><</span>MimeImageRecordEditor<span class="operator">></span>(ui<span class="operator">,</span> record); } <span class="keyword">else</span> <span class="keyword">if</span> (record<span class="operator">.</span>isEmpty()) { addRecord<span class="operator"><</span>EmptyRecordLabel<span class="operator">></span>(ui); } <span class="keyword">else</span> { addRecord<span class="operator"><</span>UnknownRecordLabel<span class="operator">></span>(ui<span class="operator">,</span> record); } } ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="type">QString</span>()); m_manager<span class="operator">-</span><span class="operator">></span>setTargetAccessModes(<span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>NoTargetAccess); m_manager<span class="operator">-</span><span class="operator">></span>stopTargetDetection(); m_request <span class="operator">=</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>RequestId(); ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>clearMessage(); } <span class="type">void</span> MainWindow<span class="operator">::</span>ndefMessageWritten() { ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="type">QString</span>()); m_manager<span class="operator">-</span><span class="operator">></span>setTargetAccessModes(<span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>NoTargetAccess); m_manager<span class="operator">-</span><span class="operator">></span>stopTargetDetection(); m_request <span class="operator">=</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>RequestId(); ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>clearMessage(); } <span class="type">void</span> MainWindow<span class="operator">::</span>targetError(<span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>Error error<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>RequestId <span class="operator">&</span>id) { Q_UNUSED(error); Q_UNUSED(id); <span class="keyword">if</span> (m_request <span class="operator">=</span><span class="operator">=</span> id) { <span class="keyword">switch</span> (error) { <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NoError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>clearMessage(); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>UnsupportedError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Unsupported tag"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>TargetOutOfRangeError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Tag removed from field"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NoResponseError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"No response from tag"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>ChecksumMismatchError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Checksum mismatch"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>InvalidParametersError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Invalid parameters"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NdefReadError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"NDEF read error"</span>)); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>NdefWriteError: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"NDEF write error"</span>)); <span class="keyword">break</span>; <span class="keyword">default</span>: ui<span class="operator">-</span><span class="operator">></span>statusBar<span class="operator">-</span><span class="operator">></span>showMessage(tr(<span class="string">"Unknown error"</span>)); } ui<span class="operator">-</span><span class="operator">></span>status<span class="operator">-</span><span class="operator">></span>setStyleSheet(<span class="type">QString</span>()); m_manager<span class="operator">-</span><span class="operator">></span>setTargetAccessModes(<span class="type"><a href="qnearfieldmanager.html">QNearFieldManager</a></span><span class="operator">::</span>NoTargetAccess); m_manager<span class="operator">-</span><span class="operator">></span>stopTargetDetection(); m_request <span class="operator">=</span> <span class="type"><a href="qnearfieldtarget.html">QNearFieldTarget</a></span><span class="operator">::</span>RequestId(); } } <span class="type">void</span> MainWindow<span class="operator">::</span>clearMessage() { <span class="type">QWidget</span> <span class="operator">*</span>scrollArea <span class="operator">=</span> ui<span class="operator">-</span><span class="operator">></span>scrollAreaWidgetContents; qDeleteAll(scrollArea<span class="operator">-</span><span class="operator">></span>findChildren<span class="operator"><</span><span class="type">QWidget</span> <span class="operator">*</span><span class="operator">></span>(<span class="type">QStringLiteral</span>(<span class="string">"line-spacer"</span>))); qDeleteAll(scrollArea<span class="operator">-</span><span class="operator">></span>findChildren<span class="operator"><</span><span class="type">QWidget</span> <span class="operator">*</span><span class="operator">></span>(<span class="type">QStringLiteral</span>(<span class="string">"record-editor"</span>))); } <span class="type"><a href="qndefmessage.html">QNdefMessage</a></span> MainWindow<span class="operator">::</span>ndefMessage() <span class="keyword">const</span> { <span class="type">QVBoxLayout</span> <span class="operator">*</span>vbox <span class="operator">=</span> qobject_cast<span class="operator"><</span><span class="type">QVBoxLayout</span> <span class="operator">*</span><span class="operator">></span>(ui<span class="operator">-</span><span class="operator">></span>scrollAreaWidgetContents<span class="operator">-</span><span class="operator">></span>layout()); <span class="keyword">if</span> (<span class="operator">!</span>vbox) <span class="keyword">return</span> <span class="type"><a href="qndefmessage.html">QNdefMessage</a></span>(); <span class="type"><a href="qndefmessage.html">QNdefMessage</a></span> message; <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> vbox<span class="operator">-</span><span class="operator">></span>count(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="type">QWidget</span> <span class="operator">*</span>widget <span class="operator">=</span> vbox<span class="operator">-</span><span class="operator">></span>itemAt(i)<span class="operator">-</span><span class="operator">></span>widget(); <span class="keyword">if</span> (TextRecordEditor <span class="operator">*</span>editor <span class="operator">=</span> qobject_cast<span class="operator"><</span>TextRecordEditor <span class="operator">*</span><span class="operator">></span>(widget)) { message<span class="operator">.</span>append(editor<span class="operator">-</span><span class="operator">></span>record()); } <span class="keyword">else</span> <span class="keyword">if</span> (UriRecordEditor <span class="operator">*</span>editor <span class="operator">=</span> qobject_cast<span class="operator"><</span>UriRecordEditor <span class="operator">*</span><span class="operator">></span>(widget)) { message<span class="operator">.</span>append(editor<span class="operator">-</span><span class="operator">></span>record()); } <span class="keyword">else</span> <span class="keyword">if</span> (MimeImageRecordEditor <span class="operator">*</span>editor <span class="operator">=</span> qobject_cast<span class="operator"><</span>MimeImageRecordEditor <span class="operator">*</span><span class="operator">></span>(widget)) { message<span class="operator">.</span>append(editor<span class="operator">-</span><span class="operator">></span>record()); } <span class="keyword">else</span> <span class="keyword">if</span> (qobject_cast<span class="operator"><</span>EmptyRecordLabel <span class="operator">*</span><span class="operator">></span>(widget)) { message<span class="operator">.</span>append(<span class="type"><a href="qndefrecord.html">QNdefRecord</a></span>()); } <span class="keyword">else</span> <span class="keyword">if</span> (UnknownRecordLabel <span class="operator">*</span>label <span class="operator">=</span> qobject_cast<span class="operator"><</span>UnknownRecordLabel <span class="operator">*</span><span class="operator">></span>(widget)) { message<span class="operator">.</span>append(label<span class="operator">-</span><span class="operator">></span>record()); } } <span class="keyword">return</span> message; } <span class="preprocessor">#include "mainwindow.moc"</span> </pre> </div> <!-- @@@ndefeditor/mainwindow.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>